In 2003, Denny L. Schillings retired after thirty-four years as an active educator in Illinois. A past-president of the National Council for Social Studies, he holds a B.S. in Education, M.A. in History, and an M.A. in Administration.
Denny taught high school social studies throughout his career, first in southern Illinois, and during the last thirty years at Homewood-Flossmoor H.S. in suburban Chicago. In addition he was responsible for the coordination and writing of two winning U.S. Department of Education Blue Ribbon Schools of Excellence awards. He continues to serve as an educational consult for a variety of U.S. government agencies, and has worked with the Council of Europe, and the Keizai Koho Centre of Japan.
He has been involved in the development of seven textbooks: including co-authorship of Links Across Time and Place: A World History, Governing Illinois, and author of The Living Constitution. In addition, he has produced 9 sets of curriculum materials, and written numerous reviews and articles dealing with teaching.